This undated photo provided by the Dallas Zoological Society shows a black Labrador retriever puppy named Amani. Zoo officials have given Amani to two male cheetah cubs, Winspear and Kamau, born July 8, 2013, that have joined the Dallas Zoo. Since Labs are easy-going in public settings and since the pup will grow with the cubs, zoo experts believe he'll provide a calming influence for the cats. (AP Photo/Dallas Zoological Society)

This undated photo provided by The Dallas Zoological Society shows two male cheetah cubs, Winspear and Kamau, born July 8 , 2013, that have joined the Dallas Zoo population. Zoo officials have marked the occasion by providing them with a puppy_an 8-week-old black Labrador retriever named Amani. (AP Photo/Dallas Zoological Society)

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